PEG-COOH-modified upconverting nanoparticles(greenyellow light), 10 mgProduct Type: Upconverting nanoparticle
Research-grade laboratory product
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LABORATORY PROCUREMENT SUPPORT
For model selection, material format, solvent, concentration or configuration confirmation, contact our technical sales team.
E-MAIL: inquiry@atomfair.com
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Manufacturer: Atomfair LLC
Brand: ATOMFAIR®
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Manufacturer: Atomfair LLC
Brand: ATOMFAIR®
What is the significance of the dual emission peaks at 545 nm and 660 nm in the PEG-COOH-modified upconverting nanoparticles for ratiometric sensing applications?
The nanoparticles exhibit two distinct emission peaks at 545 nm (green) and 660 nm (red) under NIR excitation, as specified in the product data. This dual-wavelength output enables ratiometric measurements that correct for variations in excitation intensity or probe concentration, improving quantitative accuracy. The 35 nm particle size and water solvent further support use in aqueous biological assays.
Are these PEG-COOH-modified upconverting nanoparticles compatible with standard bioconjugation protocols for antibody labeling?
Yes, the nanoparticles feature a PEG-COOH surface modification, providing carboxyl groups that can be activated for covalent coupling to amine-containing biomolecules such as antibodies. The product is supplied in water at 10 mg package size with a 35 nm particle size, making it suitable for bioimaging applications. Researchers should confirm the dispersion stability and concentration before use, as noted in the selection guide.
What handling precautions are required for the 10 mg powder or dispersion of PEG-COOH-modified upconverting nanoparticles to prevent aggregation or photodegradation?
The product is supplied in water (solvent) and should be stored protected from light to maintain upconversion luminescence. The manufacturer advises matching the dispersion format to the intended storage practice and preparation workflow, as stated in the selection notes. Avoid repeated freeze-thaw cycles if the dispersion is frozen, and confirm the concentration before use to ensure consistent performance.
PEG-COOH-modified upconverting nanoparticles (greenyellow light) with NaYREF4 composition, 35 nm particle size, dual emission at 545/660 nm in water solvent at 10 mg package size offer traceable optical properties for luminescent nanomaterial research but require careful dispersion handling due to small particle dimensions and limited mass per unit.
Positive
- Dual emission peaks at 545/660 nm: Two distinct upconversion emission wavelengths enable ratiometric sensing or multiplexed imaging without spectral overlap in a single excitation channel.
- Water-dispersible PEG-COOH surface: PEG-carboxyl modification provides colloidal stability in aqueous media and offers functional groups for bioconjugation in biological assays.
Trade-offs
- Small particle size requires dispersion care: At 35 nm diameter the nanoparticles are prone to aggregation in high ionic strength buffers; sonication and surfactant may be needed before use.
- Limited mass per package (10 mg): The single 10 mg configuration restricts experimental scale; multiple units must be ordered for studies requiring larger nanoparticle quantities.
Every advanced material, component, equipment, and instrument in our catalog is backed by rigorous testing. We maintain strict internal quality management frameworks and align with CE conformity metrics to deliver transparent, reproducible performance data via our public open-science repository.
To request raw batch performance data, submit formal vendor registration paperwork, or execute a fast-turnaround R&D manufacturing loop, contact us at inquiry@atomfair.com.
Item is dispatched under the Atomfair Shipping & Delivery Framework (Free worldwide shipping on orders over $59 USD excl. heavy equipment). Return is governed by the Atomfair Return & Refund Policy (7-day technical return window).
